4.104.114.84.95
Last change
on this file since 188c82b was
188c82b,
checked in by Joel Sherrill <joel.sherrill@…>, on 08/30/00 at 17:12:55
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2000-08-30 Joel Sherrill <joel@…>
- Many files: Moved posix/include/rtems/posix/seterr.h to
score/include/rtems/seterr.h so it would be available within
all APIs.
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-
Property mode set to
100644
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File size:
816 bytes
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Line | |
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1 | /* |
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2 | * $Id$ |
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3 | */ |
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4 | |
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5 | #include <assert.h> |
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6 | #include <time.h> |
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7 | #include <errno.h> |
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8 | |
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9 | #include <rtems/system.h> |
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10 | #include <rtems/score/isr.h> |
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11 | #include <rtems/score/thread.h> |
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12 | #include <rtems/score/tod.h> |
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13 | |
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14 | #include <rtems/seterr.h> |
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15 | #include <rtems/posix/time.h> |
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16 | |
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17 | /*PAGE |
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18 | * |
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19 | * 14.2.1 Clocks, P1003.1b-1993, p. 263 |
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20 | */ |
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21 | |
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22 | int clock_getres( |
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23 | clockid_t clock_id, |
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24 | struct timespec *res |
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25 | ) |
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26 | { |
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27 | if ( !res ) |
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28 | set_errno_and_return_minus_one( EINVAL ); |
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29 | |
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30 | switch ( clock_id ) { |
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31 | |
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32 | /* |
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33 | * All time in rtems is based on the same clock tick. |
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34 | */ |
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35 | |
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36 | case CLOCK_REALTIME: |
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37 | case CLOCK_PROCESS_CPUTIME: |
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38 | case CLOCK_THREAD_CPUTIME: |
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39 | if ( res ) |
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40 | _POSIX_Interval_to_timespec( _TOD_Microseconds_per_tick, res ); |
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41 | break; |
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42 | |
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43 | default: |
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44 | set_errno_and_return_minus_one( EINVAL ); |
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45 | |
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46 | } |
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47 | return 0; |
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48 | } |
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